Be careful. This NFT could be targeting your private data.
In a Medium post, Lupascu described the potential consequences of how a"malicious actor can mint an NFT with the remote image hosted on his server, then airdrop this collectible to a blockchain address and obtain his IP address." His concern is that if an attacker gathers a collection of NFTs, points all of them to a single URL and airdrops them to millions of wallets, then it could result in a large scale distributed denial-of-service, or DDoS attack.
He also suggested a potential solution could be requiring explicit user consent when it comes to fetching the remote image of the NFT: Metamask or any other wallet would prompt the user that someone on OpenSea or another exchange is fetching the remote image of the NFT, and informing the user that his or her IP address may be exposed.
That same day, even Vitalik Buterin recognized the challenges of off-chain privacy within Web3. On a recent UpOnly podcast episode, Buterin said that"the fight for more privacy is an important one. People are underestimating the risks of no privacy," adding that the"more crypto-y everything becomes," the more exposed we are.
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